TDUP

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 9

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Side-By-Side Fund, L.P.

Disclosed balance after: 149

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.77 to $1.78 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 8

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Entrepreneurs' Fund, L.P.

Disclosed balance after: 264

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.77 to $1.78 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 7

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity Ventures X, L.P.

Disclosed balance after: 26,666

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.77 to $1.78 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 6

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Side-By-Side Fund, L.P.

Disclosed balance after: 247

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.77 to $1.81 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 5

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Entrepreneurs' Fund, L.P.

Disclosed balance after: 439

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.77 to $1.81 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 4

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity Ventures X, L.P.

Disclosed balance after: 44,316

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.77 to $1.81 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · derivative · entry 10

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 707,617

Underlying: Class A Common Stock · 54,166 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F6 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 650,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F6 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 650,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · derivative · entry 9

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 761,783

Underlying: Class A Common Stock · 58,237 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 698,841 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 698,841 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · derivative · entry 8

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 820,020

Underlying: Class A Common Stock · 41,336 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 457,869 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 457,869 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 7

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 817,644

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 6

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 837,001

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 5

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 782,835

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 4

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 799,928

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 3

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 741,691

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 2

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 753,824

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · derivative · entry 9

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 323,859

Underlying: Class A Common Stock · 25,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 309,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 309,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · derivative · entry 8

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 349,609

Underlying: Class A Common Stock · 25,479 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 305,744 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 305,744 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · derivative · entry 7

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,088

Underlying: Class A Common Stock · 15,944 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 176,607 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F3 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 176,607 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · nonDerivative · entry 6

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,303

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · nonDerivative · entry 5

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 297,354

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · nonDerivative · entry 4

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 271,604

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · nonDerivative · entry 3

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,517

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · nonDerivative · entry 2

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 259,038

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000175 · wk-form4_1733174439.xml · nonDerivative · entry 1

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 267,119

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · derivative · entry 10

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 468,920

Underlying: Class A Common Stock · 36,666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F6 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 440,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F6 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 440,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · derivative · entry 9

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 505,586

Underlying: Class A Common Stock · 36,958 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 443,495 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 443,495 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · derivative · entry 8

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 542,544

Underlying: Class A Common Stock · 27,754 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 307,427 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 307,427 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 7

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 455,826

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 6

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 474,409

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 5

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 437,743

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 4

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 456,474

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 3

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 419,516

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 2

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 433,582

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · derivative · entry 9

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,840,171

Underlying: Class A Common Stock · 166,666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 2,000,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 2,000,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · derivative · entry 8

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,006,837

Underlying: Class A Common Stock · 107,514 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 1,290,168 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 1,290,168 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · derivative · entry 7

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,114,351

Underlying: Class A Common Stock · 76,766 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 850,329 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F3 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 850,329 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · nonDerivative · entry 6

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,187,418

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · nonDerivative · entry 5

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,271,885

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · nonDerivative · entry 4

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,105,219

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · nonDerivative · entry 3

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,159,708

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · nonDerivative · entry 2

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,052,194

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000174 · wk-form4_1733174412.xml · nonDerivative · entry 1

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,091,100

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001484778-24-000176 · wk-form4_1733174469.xml · nonDerivative · entry 1

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 712,488

F1 · kind: Shares purchased pursuant to the ThredUp Inc. 2021 Employee Stock Purchase Plan.

SEC source: 0001484778-24-000173 · wk-form4_1733174384.xml · nonDerivative · entry 1

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405,828

F1 · kind: Shares purchased pursuant to the ThredUp Inc. 2021 Employee Stock Purchase Plan.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 3

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Side-By-Side Fund, L.P.

Disclosed balance after: 545

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 2

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Entrepreneurs' Fund, L.P.

Disclosed balance after: 973

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-028196 · form4-12042024_121216.xml · nonDerivative · entry 1

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity Ventures X, L.P.

Disclosed balance after: 98,285

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F2 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001484778-24-000168 · wk-form4_1733148284.xml · nonDerivative · entry 1

NOVA DANIEL J · CIK 0001027730 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 303,930

F1 · kind: Open market purchase of shares in accordance with Issuer's trading policies.

F2 · ownership.nature: Shares held by Daniel J. Nova 2000 Trust dtd 06/20/2000.

SEC source: 0001484778-24-000166 · wk-form4_1733148221.xml · nonDerivative · entry 1

Friedman Ian · CIK 0001834575 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 360,748

F1 · kind: Open market purchase of shares in accordance with Issuer's trading policies.

F2 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $1.465 to $1.54 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001484778-24-000164 · wk-form4_1732659616.xml · nonDerivative · entry 1

NOVA DANIEL J · CIK 0001027730 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 279,033

F1 · kind: Open market purchase of shares in accordance with Issuer's trading policies.

F2 · ownership.nature: Shares held by Daniel J. Nova 2000 Trust dtd 06/20/2000.